here are a few i found:
Peter Cetera After all
Peter Cetera Glory of love
Phil Collins Against all odds
Extreme More than words
Brian Adams/Rod Stewart/Sting All for love - i'm not sure who did it originally, but that's a great version
U2 one
pretty much anything by Air Supply
Marvin Gaye Lets get it on
not sure if this works, but i thought the sentiment might be correct for your dad:
Eric Clapton Change the world
Peter Cetera After all
Peter Cetera Glory of love
Phil Collins Against all odds
Extreme More than words
Brian Adams/Rod Stewart/Sting All for love - i'm not sure who did it originally, but that's a great version
U2 one
pretty much anything by Air Supply
Marvin Gaye Lets get it on
not sure if this works, but i thought the sentiment might be correct for your dad:
Eric Clapton Change the world
